Finding the Fourth Proportional to 22,187,708.73, 30,618,450.64 and 12,398,233.36
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Solution
The fourth proportional to 22,187,708.73, 30,618,450.64 and 12,398,233.36 is: 17,109,233.80
Step by Step Solution
- Step 1: Write the proportion equation
22,187,708.73 : 30,618,450.64 = 12,398,233.36 : x - Step 2: Convert to fraction form
22,187,708.73/30,618,450.64 = 12,398,233.36/x - Step 3: Cross multiply
22,187,708.73x = 30,618,450.64 × 12,398,233.36 - Step 4: Simplify right side
22,187,708.73x = 379,614,696,117,858.81 - Step 5: Solve for x
x = 379,614,696,117,858.81/22,187,708.73 - Step 6: Final answer
x = 17,109,233.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.